Pop bottle aquaponics systems

Yesterday, we made new aquaponics systems out of empty pop bottles. We are just trying them out, but so far they seem to be working well.


  • One empty 2 litre pop bottle
  • Gravel/pebbles (from the pet store)
  • Seeds
  • Fish


  • Scissors
  • Nail (to punch holes)


  1. Cut the pop bottle in half with your scissors
  2. Punch a hole in the lid of the bottle with the nail
  3. Fill the bottom half with water
  4.  Place the top half of the bottle inside the bottom half upside down, so that the lid is towards the bottom
  5. Pour the gravel into the top section, about 3/4 of the way up
  6. Put the seed sprouts in

After our first attempt, the fish died, so now we are trying to work to make a better environment for the fish.

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